Larvae of caddisflies (Insecta: Trichoptera) from the Mesozoic of Siberia

Иванов, В. Д.

doi:10.1134/s0031030106020080

Cited by 14 publications

(12 citation statements)

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“…The fossil taxon representation was chosen to include as many groups as possible, and we preferred fossils that could be safely placed in extant families and genera, although a few older fossils with putative placement in extant families or genera were used but with extended calibration age span (e.g. Dolophilodes shurabica Sukatsheva 2004; Baissoplectrum separatum Ivanov, ). Hence, most of the older (> 120 Ma) fossils were excluded due to classification uncertainties.…”

Section: Methodsmentioning

confidence: 99%

The evolutionary history ofTrichoptera (Insecta): A case of successful adaptation to life in freshwater

Malm

Johanson

Wahlberg

2013

Systematic Entomology

124

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The insect order Trichoptera (caddisflies) forms the second most species‐rich monophyletic group of animals in freshwater. So far, several attempts have been made to elucidate its evolutionary history with both morphological and molecular data. However, none have attempted to analyse the time frame for its diversification. The order is divided into three suborders – Annulipalpia, Integripalpia and ‘Spicipalpia’. Historically, the most problematic taxon to place within the order is ‘Spicipalpia’, whose larvae do not build traditional cases or filtering nets like the majority of the caddisflies. They have previously been proposed to be the sister group of all other Trichoptera or more advanced within the order, with equivocal monophyly and with different interordinal placements among various studies. In order to resolve the evolutionary history of the caddisflies as well as timing their diversification, we utilized fragments of three nuclear (carbamoylphosphate synthethase, isocitrate dehydrogenase and RNA polymerase II) and one mitochondrial (cytochrome oxidase I) protein coding genes, with 16 fossil trichopteran taxa used for time calibration. The ‘spicipalpian’ families are recovered as ancestral to all other caddisflies, though paraphyletic. We recover stable relationships among most families and superfamilies, resolving many previously unrecognized phylogenetic affinities amongst extant families. The origin of Trichoptera is estimated to be around 234 Ma, i.e. Middle – Late Triassic.

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Section: Methodsmentioning

confidence: 99%

The evolutionary history ofTrichoptera (Insecta): A case of successful adaptation to life in freshwater

Malm

Johanson

Wahlberg

2013

Systematic Entomology

124

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“…Thus, the Liupanshan caddisfly cases possess tube walls constructed by organic pellets and are mainly preserved in the restricted, salty lake. They therefore share the similar living behaviors to those larval cases reported from the Early Cretaceous Baissa Formation of Siberia, Russia (Ivanov, 2006). Fm.…”

Section: Figure 6 Diagrams Showing Arrangements Of Cemented Particlementioning

confidence: 57%

“…The Liupanshan cases are significantly smaller than the Early Cretaceous counterparts reported from southern England (Jarzembowski, 1995), Siberia of Far East, Russia (Ivanov, 2006) and Liaoning of northeastern China (Huang et al, 2009). The morphologically similar caddisfly cases have also been described from the Eocene Green River Formation of the western US (Leggitt and Cushman, 2001), but they are significantly smaller than the Liupanshan cases.…”

Section: Discussion 41 Comparison With Other Fossil Caddisfly Larvalmentioning

confidence: 83%

“…Of these, Ostracindusia, 12−14 mm long and 4 mm in diameter, embraces wall pellets having a diameter up to 0.67 mm and compositions of decalcified ostracod valves and carbonate particles. Coprindusia is 8−14 mm long and 3−4 mm wide and its wall pellets are equal in size and shape (0.3−0.4 mm in length and 0.1−0.3 mm in diameter) and comprise fecal particles of aquatic animals, which are arranged perpendicular to or at a small angle to the case axis (Gorman et al, 2008;Ivanov, 2006).…”

Section: Ichnology Of Caddisfly Casesmentioning

confidence: 99%

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Exceptionally preserved caddisfly larval cases (Insecta) from the lower Cretaceous of the Liupanshan basin, Western China

Chen

et al. 2015

J. Earth Sci.

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Abundant well-preserved tubular fossils of caddisfly (Insecta: Trichoptera) larval cases are reported from the Early Cretaceous Madongshan and Naijiahe formations of the Liupanshan Basin, Ningxia Province, western China. Most cases were mainly preserved in life position and densely packed in various layers. Individual cases in each layer tended to be same in size and were erect and parallel to one another and open at both ends. In a transverse section cut perpendicular to the long axis of the cases, individual case appears to form a rounded ring. Small cases are elliptic in a cross-section oblique to the long axis of the cases. Tube walls are nearly subparallel to one another in longitudinal section with both ends being open. The caudal end of the case slightly tapers and usually points downward. The cases were closely packed, almost touching with one another and lacking bifurcate or connecting structure. The overwhelming majority of cases were partially or fully filled with calcite. The case wall embraces a medium particle layer flanked by inner and outer organic layers. Individual particles are ovate in outline and comprise cryptocrystalline or ganic pellets. SEM imaging shows that those pellets are sub-cylindrical in outline and elliptic in cross section, and are made primarily of calcium carbonate. All features observed justify the assignment of the Liupanshan caddisfly cases to ichnogenus Coprindusia. The extinct insect Ningxiapsyche fangi was found in association with the Liupanshan caddisfly larval cases, and thus could be the candidate of the potential trace-maker.

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“…Being constructed of tough and durable components, caddisfly larval cases fossilized much easier and more often than the associated larvae whose bodies are covered by decay-prone, chitinous exoskeletons. Thus, the fossil record of caddisflies consists mainly of larval cases, while the body fossils of their producers are extremely rare 6 12 . There is a discrepancy in appearance of adult caddisfly body fossils and larval cases in the fossil record.…”

mentioning

confidence: 99%

Larval cases of caddisfly (Insecta: Trichoptera) affinity in Early Permian marine environments of Gondwana

Mouro

Zatoń

Fernandes

et al. 2016

Sci Rep

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Caddisflies (Trichoptera) are small, cosmopolitan insects closely related to the Lepidoptera (moths and butterflies). Most caddisflies construct protective cases during their larval development. Although the earliest recognisable caddisflies date back to the early Mesozoic (Early and Middle Triassic), being particularly numerous and diverse during the Late Jurassic and Early Cretaceous, the first records of their larval case constructions are known exclusively from much younger, Early to Middle Jurassic non-marine deposits in the northern hemisphere. Here we present fossils from the Early Permian (Asselian–Sakmarian) marine deposits of Brazil which have strong morphological and compositional similarity to larval cases of caddisflies. If they are, which is very probable, these finds not only push back the fossil record of true caddisflies, but also indicate that their larvae constructed cases at the very beginning of their evolution in marine environments. Since modern caddisflies that construct larval cases in marine environments are only known from eastern Australia and New Zealand, we suggest that this marine ecology may have first evolved in western Gondwana during the Early Permian and later spread across southern Pangea.

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Larvae of caddisflies (Insecta: Trichoptera) from the Mesozoic of Siberia

Cited by 14 publications

References 1 publication

The evolutionary history ofTrichoptera (Insecta): A case of successful adaptation to life in freshwater

The evolutionary history ofTrichoptera (Insecta): A case of successful adaptation to life in freshwater

Exceptionally preserved caddisfly larval cases (Insecta) from the lower Cretaceous of the Liupanshan basin, Western China

Larval cases of caddisfly (Insecta: Trichoptera) affinity in Early Permian marine environments of Gondwana

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